Current safety issues with quadrivalent meningococcal conjugate vaccines

"More recently, a study found an elevated risk of Bell's palsy when Menveo was administered concomitantly with other vaccines but no association was found when the vaccine was administered alone."

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5989904/

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Guillain-Barré Syndrome Among Recipients of Menactra® Meningococcal Conjugate Vaccine --- United States, June--July 2005

https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5440a6.htm